Apparently you really have to learn those, plus, flask, backbone, coffescript, require.js, jquery, bootstrap, handlebars.js, stylus, mocha, zombie, etc., etc. Simple! :-)
The list of buzzwords isn't so much evidence that you need to be proficient in a lot of random tools as it's evidence that you should feel unattached and comfortable learning new tools if you want to participate in the web space.
We seriously consider non-coders for positions that will be primarily coding if they have a strong background in some interesting field (like statistics).
Not all companies are just vomiting lists of reqs into the void while sitting on their hands for the perfect candidate to roll in.
Anyways, the stack is part of your app. You can either write it yourself or build on existing components. Sure you can build your stack on top of more traditional technology, and likely there will be more potential candidates but finding good developers will be just as hard.